[ios] Adds support for Find in Page to the new architecture.

ios/clean/chrome/browser/ui/tools/menu_view_controller.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/clean/chrome/browser/ui/tools/menu_view_controller.h"
 
 #include "base/i18n/rtl.h"
 #import "base/logging.h"
 #import "base/macros.h"
 #import "ios/chrome/browser/ui/rtl_geometry.h"
+#import "ios/clean/chrome/browser/ui/commands/find_in_page_visibility_commands.h"
 #import "ios/clean/chrome/browser/ui/commands/tools_menu_commands.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_button.h"
 #import "ios/clean/chrome/browser/ui/tools/menu_overflow_controls_stackview.h"
+#import "ios/clean/chrome/browser/ui/tools/tools_actions.h"
 #import "ios/clean/chrome/browser/ui/tools/tools_menu_item.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 const CGFloat kMenuWidth = 250;
 const CGFloat kMenuItemHeight = 48;
 }
 
-@interface MenuViewController ()
+@interface MenuViewController ()<ToolsActions>
 @property(nonatomic, strong) NSArray<ToolsMenuItem*>* menuItems;
 @property(nonatomic, strong)
     MenuOverflowControlsStackView* toolbarOverflowStackView;
 @end
 
 @implementation MenuViewController
+@synthesize dispatcher = _dispatcher;
 @synthesize menuItems = _menuItems;
 @synthesize toolbarOverflowStackView = _toolbarOverflowStackView;
-@synthesize dispatcher = _dispatcher;
 
 - (void)loadView {
   CGRect frame;
   frame.size = CGSizeMake(kMenuWidth, kMenuItemHeight * _menuItems.count);
   frame.origin = CGPointZero;
   self.view = [[UIView alloc] initWithFrame:frame];
   self.view.backgroundColor = [UIColor whiteColor];
   self.view.autoresizingMask = UIViewAutoresizingNone;
   self.view.layer.borderColor = [UIColor clearColor].CGColor;
 }
 
 - (void)viewDidLoad {
   NSMutableArray<UIButton*>* buttons =
       [[NSMutableArray alloc] initWithCapacity:_menuItems.count];
 
   for (ToolsMenuItem* item in _menuItems) {
     UIButton* menuButton = [UIButton buttonWithType:UIButtonTypeSystem];
     menuButton.translatesAutoresizingMaskIntoConstraints = NO;
     menuButton.tintColor = [UIColor blackColor];
     [menuButton setTitle:item.title forState:UIControlStateNormal];
     [menuButton setContentEdgeInsets:UIEdgeInsetsMakeDirected(0, 10.0f, 0, 0)];
     [menuButton.titleLabel
         setFont:[[MDFRobotoFontLoader sharedInstance] regularFontOfSize:16]];
     [menuButton.titleLabel setTextAlignment:NSTextAlignmentNatural];
     [menuButton addTarget:self
                    action:@selector(closeToolsMenu:)
          forControlEvents:UIControlEventTouchUpInside];
     if (item.action) {
-      [menuButton addTarget:nil
+      id target = (item.action == @selector(showFindInPage)) ? self : nil;
+      [menuButton addTarget:target
                      action:item.action
            forControlEvents:UIControlEventTouchUpInside];
     }
     [buttons addObject:menuButton];
   }
 
   // Placeholder stack view to hold menu contents.
   UIStackView* menu = [[UIStackView alloc] initWithArrangedSubviews:buttons];
   menu.translatesAutoresizingMaskIntoConstraints = NO;
   menu.axis = UILayoutConstraintAxisVertical;
@@ skipping 28 matching lines @@
     [menu.topAnchor constraintEqualToAnchor:self.view.topAnchor],
   ]];
 }
 
 #pragma mark - ToolsMenuCommands
 
 - (void)closeToolsMenu:(id)sender {
   [self.dispatcher closeToolsMenu];
 }
 
+- (void)showFindInPage {
+  [self.dispatcher showFindInPage];
+}
+
 #pragma mark - Tools Consumer
 
 - (void)setToolsMenuItems:(NSArray*)menuItems {
   _menuItems = menuItems;
 }
 
 @end